<template>
  <div class="login-container">
    <el-form ref="loginForm"
             :model="loginForm"
             :rules="loginRules"
             class="login-form"
             auto-complete="on"
             label-position="left">
      <h3 class="title">管理员登录</h3>
      <el-form-item prop="username">
        <span class="svg-container">
          <!-- <svg-icon icon-class="user" /> -->
        </span>
        <el-input v-model="loginForm.username"
                  name="username"
                  type="text"
                  auto-complete="on"
                  placeholder="username" />
      </el-form-item>
      <el-form-item prop="password">
        <span class="svg-container">
          <!-- <svg-icon icon-class="password" /> -->
        </span>
        <el-input :type="pwdType"
                  v-model="loginForm.password"
                  name="password"
                  auto-complete="on"
                  placeholder="password"
                  @keyup.enter.native="handleLogin" />
        <span class="show-pwd"
              @click="showPwd">
          <!-- <svg-icon icon-class="eye" /> -->
          <i class="el-icon-view"></i>
        </span>
      </el-form-item>
      <el-form-item>
        <el-button :loading="loading"
                   type="primary"
                   style="width:100%;"
                   @click.native.prevent="handleLogin">
          登录
        </el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
import { isvalidUsername } from "@/utils/validate";
import { mapActions } from "vuex";
export default {
  name: "Login",
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!isvalidUsername(value)) {
        callback(new Error("请输入正确的用户名"));
      } else {
        callback();
      }
    };
    const validatePass = (rule, value, callback) => {
      if (value.length < 5) {
        callback(new Error("密码不能小于5位"));
      } else {
        callback();
      }
    };
    return {
      loginForm: {
        username: "admin",
        password: "123456"
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", validator: validateUsername }
        ],
        password: [{ required: true, trigger: "blur", validator: validatePass }]
      },
      loading: false,
      pwdType: "password",
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  methods: {
    ...mapActions(["login"]),
    showPwd() {
      if (this.pwdType === "password") {
        this.pwdType = "";
      } else {
        this.pwdType = "password";
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate(async valid => {
        this.login(this.loginForm);
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
$bg: #2d3a4b;
$light_gray: black;

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;
    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      &:-webkit-autofill {
        -webkit-box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: #fff !important;
      }
    }
  }
  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style rel="stylesheet/scss" lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: black;
$light_gray: black;
.login-container {
  position: fixed;
  height: 100%;
  width: 100%;
  //background-color: $bg;
  background: url("../../assets/image/bg-login.png");
  background-size: 100%;
  .login-form {
    background: white;
    border-radius: 15px;
    position: absolute;
    width: 320px;
    max-width: 100%;
    padding: 25px 25px 15px 25px;
    top: 30%;
    right: 10%;
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }
  .title {
    font-size: 26px;
    font-weight: 400;
    color: $light_gray;
    margin: 0px auto 40px auto;
    text-align: center;
    font-weight: bold;
  }
  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
